The Idiom: To end in smoke means?

Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.

The Idiom: To end in smoke means? Answer: To ruin oneself

The idiom "to end in smoke" means to fail completely, or to result in nothing despite having initial promise or high expectations. It describes plans, efforts, or dreams that ultimately come to nothing, similar to something burning down and dissipating into smoke, leaving no physical trace.